Thermos 57658 Grill Parts

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Highest quality replacement parts for your Thermos 57658 - Free USA shipping $49 or more* - No Sales Tax*

 

Thermos 57658 owners manual and diagrams
Diagrams & owners manual not available for grill model# 57658. If you have a manual you're willing to share, please click here to send us an email with the attached manual. Thank You!

 


Replacement gas grill parts for Thermos model: 57658
All of the parts we have for Thermos 57658 are shown on this page. If the part you're shopping for isn't included below, you might find it using the category buttons on the right side of the page. For example, if your looking for a Flame Tamer/Heat Plate and there are none here, click the Heat Plate button to see all of the Heat Plates we have for Thermos grills. You will need to know the dimensions of your existing grids to help you find the right part.

To get the correct Thermos 57658 BBQ parts
  • You should measure your existing parts and compare them to what we show here. This is best done with them removed from the grill.
  • Verify your Thermos model number by checking the CSA appliance tag on your grill to make sure you have the correct model number. Do not rely solely on the owners manual as these are frequently mixed up at retail stores when the grills are assembled. You'd be surprised at how many folks have the wrong owners manual.
 


57658 Venturis

Single Gasket Kit Economy Burners

Part Number: SHK4
Weight: 0.01

$4.16
 
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57658 Cooking Grids

CG-DUMMY
Cooking grid not known for Thermos model 57658. Our parts information for this grill model is incomplete, and we really don't know with certainty which cooking grid fits this model. It may be that we have the part but don't show it here due to data or other error.

If you know the original OEM part number, try searching for it in the search box at the top of this page.

You can also browse through all of the Thermos cooking grids we carry. If we don't have the exact fit grid for your grill, we may have a suitable replacement part. Measure your existing part as well as the the grid support area of the grill so you'll know exactly what size grids will fit.

If you have this grill model and know the number and dimensions of your original cooking grids, please share this information with us. Click here to send an email to our GrillDr that includes this information. We greatly appreciate your help.

Part Number: CG-DUMMY
Weight: 1.0
 





57658 Rock/Briquette Grates

Rock grate for holding lava rock or ceramic briquettes.

Part Number: BG-1
Dimension Front-to-Back: 11 1/4”
Dimension Side-to-Side: 18 1/4”
Material: carbon steel
Weight: 3.3

$31.66
 
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57658 Heat Plates

HP-DUMMY
Heat Plate/ Flame Tamer not known for Thermos model 57658. Our parts information for this grill model is incomplete, and we really don't know with certainty which heat plate fits this model. It may be that we have the part but don't show it here due to data or other error.

If you know the original OEM part number, try searching for it in the search box at the top of this page.

You can also browse through all of the heat plates we carry for your brand grill. If we don't have the exact fit for your grill, we may have a suitable replacement part. Measure your existing part so you'll know exactly what size is needed.

If you have this grill model and know the number and dimensions of your original heat plates, click here to send an email to our GrillDr that includes this information. We greatly appreciate your help.

Part Number: HP-DUMMY
Weight: 1.0
 





57658 Warming Racks

Universal warming rack. For use on grills with at least 22” inside dimension.

Part Number: AP-6A
Dimensions: 6” x 21 1/2”
Material: Chrome steel
Weight: 1.3

$23.33
 
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57658 Valves, Orifices, and Manifolds

Brass spud orifice with 5/16” x 32 thread size. Has #70 starter hole. Must be drilled to proper drill size.

If you would like us to drill the orifice(s) for you, there is a single $15 fee for this service, which will be added to the order when processed. Please tell us the number of burners in your grill and the total BTUs of your grill (less side burner and rotisserie burner, if any). BTU rating information can usually be found on the grill's CSA certification tag, located somewhere on the grill. Please furnish this, along with any other information you deem relevant, in the Message to CLA box during checkout.

Part Number: 31600
Dimensions: 0 3/8” x 0 7/16”
Material: brass
Weight: 0.01

$7.54
 
Qty
 

Dual brass LP valve assembly. Includes left and right control valves and valve manifold. Fits Arkla up-front control grills and others requiring 45 degree angle valves.
  • For use with LP gas
  • Includes two orifices drilled to #57 drill size
  • Includes pre-assembled 45 degree angle fitting, not shown in photo


Part Number: VLV-28
Material: brass
Weight: 1.1

$52.75
 
Qty
 

 





57658 Accessories

Natural lava rock processed and screened for uniformity. 7 lb. bag is enough for all full sized grills. Click the photo to find easy steps for installing lava rocks.

Part Number: 45887
Material: pummise
Weight: 7.0

$24.95
 
Qty
 

0-7611-2014-9
HOW TO GRILL The Complete Illustrated Book of Barbecue Techniques. Steve Raichlen presents a full-color, step-by-step technique book that gets to the core of the grilling experience by showing and telling exactly how it's done. With more than 1,000 photographs, if features over 100 techniques and recipes, from how to set up a three-zone fire to how to grill a perfect prime rib, to grilling pizza, shellfish, vegetables, tofu, fruit, and s'mores.

Part Number: 0-7611-2014-9
Dimensions: 8” x 9 1/4”
Material: Paperback
Weight: 3.0

$20.09
 
Qty
 

Fish Spatula. Stainless steel fish spatula with genuine rosewood handle. 18 1/2”. 10” spatula width.

Part Number: FS-1
Dimensions: 18 1/2
Material: stainless steel
Weight: 1.0

$18.27
 
Qty
 

Deluxe non-stick flat spit basket. Attaches to 3/8” rotisserie rod with adjustable lid to secure food. 16”x7.5”x2”
WARNING: Before ordering, please verify that your rotisserie spit rod can fit through the .48 inch x .48 squared mounting holes. Our spit rod part numbers SR-5, SR-8 and SR-43 do fit.

Part Number: 24785
Dimensions: 7 1/2” x 16”
Weight: 1.5

$22.60
 
Qty
 

Cast iron smoker box with six oblong venting holes. Designed to release wood smoke. Make sure this part will fit into your grill before ordering 8 3/8” x 5 1/4” x 1 3/8”.

Part Number: 00150
Dimensions: 5 1/4” x 8 3/8”
Material: cast iron
Weight: 3.90

$25.40
 
Qty
 

Vertical.Chicken Leg and Wing Rack. Stainless steel.

A convenient stainless wire wing rack, the best way to roast chicken wings and legs on the grill without the hassle of flipping, turning or sticking. For wings and drumsticks.



Part Number: CLWR
Material: stainless steel
Weight: 1.0

$19.95
 
Qty
 

Extra Wide Nylon Grill Brush

Brush anywhere on the grill, deep into the corners, between the grids, and in broad strokes along the surface. The triangular shaped head of this brush is ideal for cleaning anywhere. 17 in. overall length with a 6. in. wide head. Nylon bristles, wire shaft and resin handle.

*For use on a cool grill.



Part Number: 77643
Weight: 0.5

$12.09
 
Qty
 

 



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Thermos model 57658 - Tuesday, Oct 7 2025

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*Orders for Thermos grill model 57658 $49 and over ship free to the lower 48 states.
See shipping policy below for more info.


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Build Date: Oct 7 2025